Computer Science · Database Keys & Functional Dependencies
Consider relation schema R = {A, B, C, D, E, F, G, H, I, J} and the set of functional dependencies { {A, B} → {C}, {B} → {E, F}, {A, D} → {G, H}, {G} → {I}, {H} → {J} }. Which of the following is a candidate key for R?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1{A}
- 2{A, B, D, G, H}
- 3{A, B, D}✓
- 4{A, B}
Correct answer
{A, B, D}
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